{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Multiple logistic regression analyses with NAFLD as the dependent variable showed that the tertiles with lower 25 ( OH ) D ( 3 ) levels had a significantly increased risk for NAFLD compared with the highest tertile , even after adjusting for body mass index and metabolic syndrome ( OR 1 . 247 and 1 . 408 vs . the highest tertile , p < 0 . 001 ) ."}
{"Chemical": ["25 ( OH ) D ( 3 )"]}